#ifndef _DATE_BASE_H_
#define _DATE_BASE_H_


class DateBase
{
public:
	DateBase(void);
public:
	~DateBase(void);
	virtual bool init() = 0;
	virtual bool execute() = 0;
	virtual bool async_execute() = 0;
	virtual bool async_query() = 0;
	virtual bool query() = 0;
};
#endif
